QUACK COOLING: This thermoelectric cooler has a large cooling block that can more water for quick cooling.
^^ FOUR COPPER PIPES: This thermoelectric cooler adopted four hollow copper pipes with refrigerant inside would deliver heat fast for higher cooling efficiency.
^^ 2 SIZE: There are 120W for 30L fish and 180W for 40L fish, can meet your different needs.
^^ HIGH QUALITY: This thermoelectric cooler uses high-end refrigeration module which has high power and has a long service life.
^^ DC 12V: This thermoelectric cooler adopted DC 12V, convenient to use.